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Have two individual windows on one computer

kaveh rahimi 61 Reputation points
2021-07-28T14:16:16.337+00:00

Hi ,I have a windows 10 on my computer and want to install a windows 7 too seperately on my computer. I want to have both windows. I have downloaded a windows 7 ultimate from internet. When I try to install it ,it says please insert the windows disk in CD-drive. I don't know the reason of this.
Please help
Thanks

Windows
Windows
A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.
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  1. Sarra Stiti 1 Reputation point
    2021-07-28T14:37:15.103+00:00
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  2. Teemo Tang 11,361 Reputation points
    2021-07-29T07:28:18.22+00:00

    Windows 7 is end of support, Microsoft no longer supplies Windows 7 ISO image file download now.
    If you want to make a dual-system computer, you need a Windows 7 ISO file for install, you said that “I have downloaded a windows 7 ultimate from internet”, does this windows 7 ultimate is a Windows 7 ISO file? If so, you could mount this ISO and double-click setup.exe to install Windows 7 on your computer, note choose the proper partition.
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